随着现代生活节奏的加快,工作压力和精神压力的增加,休息、睡眠的严重不足等等因素造成了头发所需营养失衡,致使中青年白发人群越来越多。白发虽然对健康没有多大的危害,但是影响人们整体的精神面貌,影响人们的生活。头发为什么会变白?正常情况下,毛乳头内有丰富的血管,为毛乳头、毛球部提供充足的营养,黑色素颗粒便顺利合成。当黑色 With the accelerating pace of modern life, work stress and mental stress, rest, serious lack of sleep and other factors have caused the hair needed nutrition imbalance, resulting in more and more young and middle-aged white hair. Although the white hair does not have much harm to health, it affects people’s overall mental outlook and affects people’s lives. Why hair white? Under normal circumstances, there are abundant blood vessels inside the dermal papilla, to provide adequate nutrition for the hair papillae, hair bulb, melanin particles will be smooth synthesis. When black